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单项选择题

An analyst conducts a two-tailed z-test to determine if small cap returns are significantly different from 10 percent. The sample size was 200. The computed z-statistic is 2.3. Using a 5 percent confidence level, which statement is TRUE?
A.You cannot determine what to do with the information given.
B.A sample size of 200 indicates that the null should be accepted.
C.Accept the null hypothesis and reject the alternative hypothesis. That is small cap returns are not significantly different from 10%.
D.Reject the null hypothesis and accept the alternative hypothesis. That is small cap returns are significantly different from 10%.
A.3.
B.You
C.
B.A
D.
C.Accept
E.
D.Reject
F.
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